Screening and Simple Identification of Drought-resistant Lines in Sugarcane Breeding
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摘要
Six sugarcane plant lines were selected from seedlings owing to good performance in agronomic characters under drought conditions.A special test with drought stress to death under groove was carried out to select the best drought tolerant clones among them. The proportion of bound water to free water content in leaves,cell cytoplasm membrane permeability in leaves,yield components,etc.,which were regarded as reasonable indexes to identify drought resistance of sugarcane,were measured. The results showed that both YT06-868 and YT05-339 were winners. The two were high-class drought-resistant clones. On some measured indexes,both of them had higher values than ROC22( the main check variety) and on the other ones,they both had the same values as ROC22. The drought resistance of YT05-291 was moderate and between ROC22 and ROC16( the secondary check variety),while the others had poor drought-resistant according to these indexes.
Six sugarcane plant lines were selected from seedlings owing to good performance in agronomic characters under drought conditions.A special test with drought stress to death under groove was carried out to select the best drought tolerant clones among them. The proportion of bound water to free water content in leaves,cell cytoplasm membrane permeability in leaves,yield components,etc.,which were regarded as reasonable indexes to identify drought resistance of sugarcane,were measured. The results showed that both YT06-868 and YT05-339 were winners. The two were high-class drought-resistant clones. On some measured indexes,both of them had higher values than ROC22( the main check variety) and on the other ones,they both had the same values as ROC22. The drought resistance of YT05-291 was moderate and between ROC22 and ROC16( the secondary check variety),while the others had poor drought-resistant according to these indexes.
Six sugarcane plant lines were selected from seedlings owing to good performance in agronomic characters under drought conditions.A special test with drought stress to death under groove was carried out to select the best drought tolerant clones among them. The proportion of bound water to free water content in leaves,cell cytoplasm membrane permeability in leaves,yield components,etc.,which were regarded as reasonable indexes to identify drought resistance of sugarcane,were measured. The results showed that both YT06-868 and YT05-339 were winners. The two were high-class drought-resistant clones. On some measured indexes,both of them had higher values than ROC22( the main check variety) and on the other ones,they both had the same values as ROC22. The drought resistance of YT05-291 was moderate and between ROC22 and ROC16( the secondary check variety),while the others had poor drought-resistant according to these indexes.
引文
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[13]Institute of Sugarcane Science,Ministry of Light Industry.Chinese sugarcane cultivars[J].Guangzhou:Guangdong Science and Technology Press,1991.(in Chinese).
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[16]ZHOU HK,YE ZB.Preliminary report on the effects of drought on cell permeability and proline accumulation in sugarcane leaves[J].Sugarcane and Canesugar,1988,17(2):39-40.(in Chinese).
[17]LAO FY,LIAO ZZ.A preliminary study on the identification of drought resistance in sugarcane varieties[J].Sugarcane and Canesugar,1995,24(2):1-5.(in Chinese).
[18]CHEN CJ.ZHANG LQ,OU LP,et al.Influences of different bean green manure on physiological indexes of drought resistance in sugarcane[J].Sugar Crops of China,2010,22(3):12-15.(in Chinese).
[2]HEMAPRABHA G,NAGARAJAN R,ALARMELU S.Response of sugarcane genotypes to water deficit stress[J].Sugar Tech,2004,6(3):165-168.
[3]CHEN RK,ZHANG MQ,LU YB.Studies on the effect of water deficits on physiology in sugarcane(Saccharum officinarum L.)[J].Sugarcane,1995,2(1):1-6.(in Chinese).
[4]YE YP,LI YR,TANG J,et al.Studies on some physiological indices for drought-resistance in two sugarcane varieties under drought and irrigation conditions[J].Sugar Crops of China,2003,25(1):1-5.(in Chinese).
[5]LUO MZ,LIU ZF,LIANG JN,et al.The relationship between drought resistance of sugarcane and some physiological biochemical properties of leaves[J].Subtropical Agriculture Research,2005,1(2):14-16.(in Chinese).
[6]ZHONG XQ,LIN LC.The relationship between the drought-resistance of sugarcane varieties and physiological characteristics[J].Journal of Foshan University(Natural Science Edition),2002,20(9):59-62.(in Chinese).
[7]CHEN LS,LIU XH.Kinds of index for crop drought resistance identification and comprehensive evaluation[J].Journal of Fujian Agricultural University,1997,26(1):48-55.(in Chinese).
[8]CHEN NW,YANG JZ,HUANG JK,et al.Study on drought resistance identification of sugarcane[J].Sichuan Sugarcane,1992(3-4):4,5-9.(in Chinese).
[9]GAO SJ,LUO J,ZHANG H,et al.Physiological and biochemical indexes of drought resistance of sugarcane(Saccharum spp.)[J].Chinese Journal of Applied Ecology,2006,17(6):1051-1054.(in Chinese).
[10]GONG M.Screening methods and indexes of drought resistance in crops and comprehensive evaluation[J].Journal of Yunnan Agricultural University,1989,4(1):73-80.(in Chinese).
[11]ZOU Q.Instruction of plant physiology experiment[M].Beijing:China Agriculture Press,1995.(in Chinese).
[12]LI HS.The experiment principle and technique on plant physiology and biochemistry[J].Beijing:Higher Education Press,1999.(in Chinese).
[13]Institute of Sugarcane Science,Ministry of Light Industry.Chinese sugarcane cultivars[J].Guangzhou:Guangdong Science and Technology Press,1991.(in Chinese).
[14]GAO JY,HU RH,LU Z,et al.Investigation on the physiological indices of drought resistance in the seedling stage of rice[J].Scientia Agricultura Sinica,1984,25(4):41-46.(in Chinese).
[15]LIANG LQ,TAN YM,ZENG JQ,et al.A study on the relation between ecological characteristics,proline content,membrane permeability and drought tolerance in sugarcane leaves[J].Sugarcane,1995,2(2):14-19.(in Chinese).
[16]ZHOU HK,YE ZB.Preliminary report on the effects of drought on cell permeability and proline accumulation in sugarcane leaves[J].Sugarcane and Canesugar,1988,17(2):39-40.(in Chinese).
[17]LAO FY,LIAO ZZ.A preliminary study on the identification of drought resistance in sugarcane varieties[J].Sugarcane and Canesugar,1995,24(2):1-5.(in Chinese).
[18]CHEN CJ.ZHANG LQ,OU LP,et al.Influences of different bean green manure on physiological indexes of drought resistance in sugarcane[J].Sugar Crops of China,2010,22(3):12-15.(in Chinese).